A custom launcher on your Chromecast with Google TV will allow you customise exactly what you see on the home screen. You can also change the wallpaper, add widgets and more!
Firstly we need to enable the option to install from unknown sources
Click Android TV OS build 7 times until you see a message that Developer Options have been enabled
Go back until you see the Apps menu item, click that
Click Security & Restrictions
Push the right arrow to move to the right side of the screen where apps are located
Turn on unknown sources for the Downloader app
Install Button mapper from the above link and Wolf launcher
Start button mapper and you will see
Click on OK and then open up device preferences
Inside Accessibility, turn on the feature for Button Mapper
As soon as you turn the on, you will see
We can now customise the home button action.
In my example, I will change the single tap home to open the Wolf Launcher
Press the home key
You will now see the Wolf launcher.
If you want to change the background, open up the launcher settings
Enable the first option
Click on Select Wallpaper
Allow the permissions
Click on Internal Storage
Open the downloader folder
Any picture you downloaded via Downloader will be in here. You can select that and your background will change
How to enable widgets
Use Remote ADB shell on your device to make a connection.
once connected enter in the following command
appwidget grantbind --package com.wolf.gtvlauncher --user 0
You can now install some applications (Weather / clock etc) that support widgets. The one used in my video is from Aptoide TV:
This will give a result like:
How to go back to default launcher
You can either remove the button mapper or just reset the default home action back to defaults.
You will still see the custom launcher until you press the home key